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SMTP - How to Change Outgoing email PORT setting for Outlook, Outlook Express and other 3rd party Email Managers

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KARTHOST no longer allows your outgoing emails to be sent using PORT 25 (which is the standard port for outgoing mail, spammers love it). You now MUST use PORT ### to use SMTP Outgoing from your PC (or Mac) based email client or any web based software, like shopping carts, CMS's like Joomla, Interspire Website Publisher etc to send email. Below is the most popular Email clients in use today. You will find step by step instructions on changing your email client to use SMTP (Outgoing) Mail to PORT ###.

To set up Microsoft Outlook Express:

Open Microsoft Outlook Express

Go to Tools > Accounts

Click the Mail tab to open a list of your mail accounts

Double click the account that has the problem

Click the Advanced tab

Change "Outgoing mail (SMTP)" from 25 to ###

Click OK and Close

You should be able to send mail

Change SMTP (Outgoing) PORT in Mozilla Thunderbird:

Open Mozilla Thunderbird.

Go to Tools > Account Settings

In the list on the left, select "Outgoing Server (SMTP)" at the bottom of the list

Select the account you need to change from the list on the right and click Edit

Change Port from 25 to ###

Click OK and OK

You should be able to send mail

Change SMTP (Outgoing) PORT in Microsoft Outlook2003

In Microsoft Outlook, select Tools > E-mail Accounts

On the E-mail Accounts wizard window, select "View or change existing e-mail accounts" and click Next

Click the Mail tab and choose the account you need to modify

Click "More Settings"

Click the Advanced tab

Change "Outgoing server (SMTP)" from 25 to ###

Click OK, Next, and Finish

Change SMTP (Outgoing) PORT in Microsoft Outlook2007

In Microsoft Outlook, select Tools > Accounts Settings

On the E-mail Accounts Settings Window select the email account that is using the KARTHOST SMTP Outgoing mail server.

Click the "Change..." icon

Click "More Settings"

Click the Advanced tab

Change "Outgoing server (SMTP)" from 25 to ###

Click OK, Next, and Finish

If you need help with the PORT settings with your Email Client and for quickest response any time of day, please Open a Technical Support Support Ticket.